Comets have not only blazed across the celestial vault throughout human history, they have embellished the night sky since the Earth itself formed some 4.5 billion years ago. Comets were among the first-born solid bodies in the solar system, and their frozen nuclei tell of the primordial chemistry and chaos that ultimately resulted in the formation of the planets, the evolution of life and us. For all this, however, comets have long been celestial oddities: they baffled our distant ancestors, and human society continues to marvel and speculate wildly at their appearance even to the present...
Comets have not only blazed across the celestial vault throughout human history, they have embellished the night sky since the Earth itself formed som...
This fascinating book proposes a sound and realistic exploration on the topic of terraforming. The book presents what is physically possible today and hints what might conceivably be put into practice in the next several hundred years.
This fascinating book proposes a sound and realistic exploration on the topic of terraforming. The book presents what is physically possible today and...
